ST212J Road Roller BuyST212JRoad Roller at Okorder

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300 unit/month

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Product Description:

Product Name: ST212J Road Roller

Parameter:


ST212J Road Roller BuyST212JRoad Roller at Okorder

 

 

 


Advantages:
 

state-owned company

fortune 500 company

AAcustom


 

 

ST212J Road Roller BuyST212JRoad Roller at Okorder

 


 


Why choose us?

1 sincre

CNBM International is a state company, now is one of the largest state-owned group cooperation in China! All the equipment such as tower cranes, produced by CNBM are compliant with the national level quality.

2 professional

Our engineers will at your services 24hours to solve all your tower crane installation and other questions.  Our goal is to provide the best professional services.

3 quality

 CNBM International’s tower crane  have strict quality control, only the best quality products can pass the test.

4speed

 We have professional sales team to guarantee your reply within 12hours to save your precious time.

5 After sales

If the tower crane has any problems, we will solve your problems in first time.


Inquies FAQ

My dearest friend, if you want to buy our tower cranes, please tell us the following parameters. And we will make the most suitable project for!

1. Building height or tower crane working height.

2. Max load capacity and tip load capacity.

3. Span or jib length

4. Other Special requirements




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Q:How big is the 20 ton bottle?
20 tons of roller storage battery should be 2 12V120A, and I hope to be helpful to you.
Q:What is the cause of soil cracking when subgrade is pressed by subgrade?
When the moisture content of backfill material is too large, cracking occurs in the course of pressing, and it will become loess when it is serious. The optimum moisture content of backfill is between 9% and 11%.
Q:Why is the roller driving force facing the paver when the asphalt is laid and rolled?
The exact requirements should be paved and rolled according to the direction of the road.
Q:Roller roller do large objective
Only two can press the road more tightly, so as to achieve a certain degree of compaction, width is to work efficiency, the greater the area of contact, the pressure will rise faster.
Q:Why should not be modified asphalt mixture roller compaction, and dense asphalt mixture should be used tire roller compound pressure?
Caused by tectonic depth decreases, and even bleeding. It is generally used vibroll is better.
Q:Does the vibratory roller affect your health?
Regarding the effects of vibration on the body, please refer to the relevant national regulations, or doctors, this is the best, and manufacturers will not give you so clear. The vibration of heavy machinery is unavoidable but controllable.
Q:Roller clutch does not move, hang not into gear, what is the problem?
Should be the electronic control gear bar, the pressure is not enough, or power cylinder problems, clutch failure in place, the control sensor will not give the gear signal, of course, can not hang professional roller
Q:Roller three tons, what kind of good?
It's good for Sakai to vibrate both before and after. Vibration can be separated from front to rear.
Q:What do you mean by "380/275" in the vibratory force (kN) of vibratory roller?
In the question, 275 did not give the amount of engineering units, I just guess the following is KN.
Q:How much oil consumption can the 20 ton roller run for 10 hours a day?
Depending on the engine, fuel consumption is not the same, basically, the engine fuel consumption in 20 liters or so an hour.

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